Tarte a l’oignon (Onion Tart)

Tarte a l'oignon (Onion Tart)

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A Lyonnais tart, which is similar to a quiche, made with sweet caramelised onions.
Servings: 6
Calories: 351


  • 4 oz butter
  • 4 oz plain flour
  • pinch of salt
  • 1 egg
  • 1 1/2 lb onions very finely chopped
  • 2 egg yolks
  • 5 floz single cream
  • pinch of freshly grated nutmeg


  • Rub 2 oz (50 g) butter into the flour and salt until the mixture resembles breadcrumbs.
  • Stir in the egg and enough cold water to bind the mixture. Knead gently. Wrap in non PVC film and chill for 30 minutes.
  • Meanwhile, meltthe rest of the butter in a large saucepan and cook the onions, covered, over a low heat until pale golden. Stir often to prevent them sticking or burning.
  • Roll out the pastry and use to line an 8 inch (20 cm) fluted flan tin.
  • Stir the egg yolks, cream, nutmeg, freshly ground black pepper and salt into the on ions and spoon on to the pastry.
  • Bake at Mark 6 (200°C) 400°F for 30 minutes until golden. Serve hot.
Calories: 351 kcal
Carbohydrates: 26 g
Protein: 6 g
Fat: 26g
Saturated Fat: 15 g
Trans Fat: 1 g
Cholesterol: 160 mg
Sodium: 162 mg
Potassium: 231 mg
Fiber: 2 g
Sugar: 5 g
Vitamin A: 850 IU
Vitamin C: 9 mg
Calcium: 62 mg
Iron: 1 mg
Cuisine French
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